Texas Instruments

TLV3402CD

TLV3402CD Description

The TLV3402CD is a general-purpose linear comparator designed by Texas Instruments. This dual comparator is housed in an 8-pin SOIC package, making it suitable for surface-mount applications. It operates within a wide supply voltage range of 2.5V to 16V for single supply and ±1.25V to ±8V for dual supply configurations. The TLV3402CD is known for its low quiescent current, with a maximum of 950nA, and low input bias current, up to 250pA at 15V. It also features a low input offset voltage of 3.6mV at 15V, ensuring high accuracy in voltage comparison tasks. The device offers a typical output current of 10mA and a maximum propagation delay of 300µs, making it suitable for applications requiring fast response times. The TLV3402CD has a common-mode rejection ratio (CMRR) of 88dB and a power supply rejection ratio (PSRR) of 105dB, which enhances its performance in noisy environments. The operating temperature range is from 0°C to 70°C, and it is classified under HTSUS code 8542.39.0001. The TLV3402CD is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability. It has a moisture sensitivity level (MSL) of 1, indicating unlimited shelf life under controlled conditions.

TLV3402CD Features

• High CMRR and PSRR: With a typical CMRR of 88dB and PSRR of 105dB, the TLV3402CD effectively minimizes the impact of common-mode and power supply noise, ensuring reliable performance in various operating conditions.
• Low Quiescent Current: The maximum quiescent current of 950nA makes the TLV3402CD highly energy-efficient, ideal for battery-powered and low-power applications.
• Wide Supply Voltage Range: The ability to operate from 2.5V to 16V (single supply) and ±1.25V to ±8V (dual supply) provides flexibility in power supply requirements, making it suitable for a wide range of electronic systems.
• Low Input Offset Voltage: The maximum input offset voltage of 3.6mV at 15V ensures high accuracy in voltage comparison tasks, making it suitable for precision applications.
• Fast Propagation Delay: With a maximum propagation delay of 300µs, the TLV3402CD can quickly respond to input changes, making it ideal for applications requiring rapid decision-making.
• Environmental Compliance: The TLV3402CD is REACH unaffected and RoHS3 compliant, ensuring it meets environmental standards and regulations.
• Moisture Sensitivity Level 1: The MSL of 1 indicates unlimited shelf life under controlled conditions, reducing the risk of moisture-related failures during storage and handling.

TLV3402CD Applications

The TLV3402CD is ideal for a variety of applications due to its versatile features and performance characteristics. Some specific use cases include:

• Battery Management Systems: The low quiescent current and wide supply voltage range make it suitable for monitoring and managing battery levels in portable devices.
• Signal Processing: The high CMRR and PSRR ensure accurate signal comparison in noisy environments, making it ideal for signal processing applications in industrial and consumer electronics.
• Threshold Detection: The low input offset voltage and fast propagation delay make it suitable for detecting voltage thresholds in power management and control systems.
• Data Acquisition Systems: The TLV3402CD can be used in data acquisition systems where precise voltage comparison and fast response times are required.
• Automotive Electronics: The wide operating temperature range and environmental compliance make it suitable for automotive applications where reliability and durability are critical.

Conclusion of TLV3402CD

The TLV3402CD is a robust and versatile general-purpose comparator that offers a combination of high performance and energy efficiency. Its wide supply voltage range, low quiescent current, and high CMRR and PSRR make it suitable for a variety of applications, from battery management to signal processing. The low input offset voltage and fast propagation delay ensure high accuracy and quick response times, making it ideal for precision and time-sensitive tasks. The TLV3402CD's environmental compliance and moisture sensitivity level further enhance its reliability and longevity. Despite being marked as obsolete, the TLV3402CD remains a valuable component for engineers and designers seeking a reliable and efficient comparator solution.